/* nice */ int nicarg 4; main(argc, argv) char **argv; { if(argc > 1 && argv[1][0] == '-') { nicarg = atoi(&argv[1][1]); argc--; argv++; } if(argc < 2) { prints("usage: nice [ -n ] command\n"); exit(1); } argv[argc] = 0; if(argv[argc-1] == -1) /* don't ask why */ argv[argc-1] = -2; nice(nicarg); pexec(argv[1], &argv[1]); } prints(s) char *s; { while(*s) write(2, s++, 1); }